The following are known CTRPF AR Cheat Codes for 3D Classics: TwinBee on Nintendo 3DS (3DS).

0004000000055300.txt

[Infinite Lives]
60200A68 00000000
B0200A68 00000000
B0000014 00000000
B0000030 00000000
50000000 001BD4CC
2000004B 00000009
D2000000 00000000

[Infinite Barrier]
60200A68 00000000
B0200A68 00000000
B0000014 00000000
B0000030 00000000
50000000 001BD4CC
2000004A 00000009
D2000000 00000000

[Start with Score 9999990]
60200AE8 00000000
B0200AE8 00000000
50000000 001BF44C
300001AC 00989676
000001AC 00989676
D2000000 00000000